/* ============================================
   ELINOM INVENTORY MANAGEMENT SYSTEM
   Modern Enterprise CSS Styles
   ============================================ */

/* CSS Variables */
:root {
  --inv-primary: #8b5cf6;
  --inv-primary-light: #a78bfa;
  --inv-primary-dark: #7c3aed;
  --inv-secondary: #06b6d4;
  --inv-success: #10b981;
  --inv-warning: #f59e0b;
  --inv-danger: #ef4444;
  --inv-info: #3b82f6;
  --inv-purple: #8b5cf6;
  
  --inv-bg: #f8fafc;
  --inv-card-bg: #ffffff;
  --inv-text: #1e293b;
  --inv-text-muted: #64748b;
  --inv-border: #e2e8f0;
  
  --inv-sidebar-width: 260px;
  --inv-sidebar-collapsed: 70px;
  
  --inv-shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --inv-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --inv-shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  
  --inv-radius: 12px;
  --inv-radius-sm: 8px;
  --inv-radius-lg: 16px;
  
  --inv-transition: all 0.3s ease;
}

/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--inv-bg);
  color: var(--inv-text);
  line-height: 1.6;
  min-height: 100vh;
}

/* Security Bar */
.security-bar {
  background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
  padding: 8px 24px;
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}

.security-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #94a3b8;
  font-size: 0.75rem;
  font-weight: 500;
}

.security-item i {
  color: var(--inv-success);
  font-size: 0.875rem;
}

/* System Controls */
.system-controls {
  background: var(--inv-card-bg);
  border-bottom: 1px solid var(--inv-border);
  padding: 8px 24px;
  display: flex;
  justify-content: flex-end;
  gap: 16px;
}

.switcher-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--inv-bg);
  border: 1px solid var(--inv-border);
  border-radius: var(--inv-radius-sm);
  cursor: pointer;
  font-size: 0.875rem;
  color: var(--inv-text);
  transition: var(--inv-transition);
}

.switcher-btn:hover {
  background: var(--inv-border);
}

.language-switcher,
.currency-switcher {
  position: relative;
}

.switcher-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  background: var(--inv-card-bg);
  border: 1px solid var(--inv-border);
  border-radius: var(--inv-radius);
  box-shadow: var(--inv-shadow-lg);
  min-width: 200px;
  z-index: 1000;
  margin-top: 4px;
  overflow: hidden;
}

.switcher-dropdown.show {
  display: block;
}

.switcher-option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  cursor: pointer;
  transition: var(--inv-transition);
}

.switcher-option:hover {
  background: var(--inv-bg);
}

.option-flag {
  font-size: 1.25rem;
}

.option-name {
  font-weight: 500;
  color: var(--inv-text);
}

.option-code {
  font-size: 0.75rem;
  color: var(--inv-text-muted);
}

/* App Container */
.app-container {
  display: flex;
  min-height: calc(100vh - 80px);
}

/* Sidebar */
.sidebar {
  width: var(--inv-sidebar-width);
  background: var(--inv-card-bg);
  border-right: 1px solid var(--inv-border);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  transition: var(--inv-transition);
  z-index: 100;
}

.sidebar.collapsed {
  width: var(--inv-sidebar-collapsed);
}

.sidebar-header {
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--inv-border);
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--inv-primary);
}

.logo i {
  font-size: 1.5rem;
}

.sidebar-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--inv-text-muted);
  border-radius: var(--inv-radius-sm);
  transition: var(--inv-transition);
}

.sidebar-toggle:hover {
  background: var(--inv-bg);
  color: var(--inv-primary);
}

.sidebar-nav {
  flex: 1;
  padding: 16px 12px;
  overflow-y: auto;
}

.nav-list {
  list-style: none;
}

.nav-item {
  margin-bottom: 4px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  color: var(--inv-text-muted);
  text-decoration: none;
  border-radius: var(--inv-radius-sm);
  transition: var(--inv-transition);
  font-weight: 500;
  position: relative;
}

.nav-link:hover {
  background: #f5f3ff;
  color: var(--inv-primary);
}

.nav-link.active {
  background: linear-gradient(135deg, var(--inv-primary) 0%, var(--inv-primary-dark) 100%);
  color: white;
  box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

.nav-link i {
  font-size: 1.125rem;
  width: 24px;
  text-align: center;
}

.nav-link .badge {
  margin-left: auto;
  background: var(--inv-danger);
  color: white;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
}

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--inv-border);
}

.user-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-avatar {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--inv-primary) 0%, var(--inv-secondary) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.user-details {
  display: flex;
  flex-direction: column;
}

.user-name {
  font-weight: 600;
  font-size: 0.875rem;
}

.user-role {
  font-size: 0.75rem;
  color: var(--inv-text-muted);
}

/* Main Content */
.main-content {
  flex: 1;
  padding: 24px;
  min-width: 0;
  overflow-x: hidden;
}

.content-section {
  display: none;
  animation: fadeIn 0.3s ease;
}

.content-section.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Section Header */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 16px;
}

.section-header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--inv-text);
}

.header-actions {
  display: flex;
  gap: 12px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border: none;
  border-radius: var(--inv-radius-sm);
  font-weight: 500;
  font-size: 0.875rem;
  cursor: pointer;
  transition: var(--inv-transition);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--inv-primary) 0%, var(--inv-primary-dark) 100%);
  color: white;
  box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(139, 92, 246, 0.4);
}

.btn-secondary {
  background: var(--inv-bg);
  color: var(--inv-text);
  border: 1px solid var(--inv-border);
}

.btn-secondary:hover {
  background: var(--inv-border);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.8125rem;
}

.btn-icon {
  width: 32px;
  height: 32px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--inv-bg);
  border: 1px solid var(--inv-border);
  border-radius: var(--inv-radius-sm);
  color: var(--inv-text-muted);
  cursor: pointer;
  transition: var(--inv-transition);
}

.btn-icon:hover {
  background: var(--inv-primary);
  border-color: var(--inv-primary);
  color: white;
}

.btn-icon.btn-danger:hover {
  background: var(--inv-danger);
  border-color: var(--inv-danger);
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--inv-card-bg);
  border-radius: var(--inv-radius);
  padding: 24px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  box-shadow: var(--inv-shadow);
  border: 1px solid var(--inv-border);
  transition: var(--inv-transition);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--inv-shadow-lg);
}

.stat-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--inv-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.stat-primary .stat-icon { background: #f5f3ff; color: var(--inv-primary); }
.stat-success .stat-icon { background: #ecfdf5; color: var(--inv-success); }
.stat-warning .stat-icon { background: #fffbeb; color: var(--inv-warning); }
.stat-danger .stat-icon { background: #fef2f2; color: var(--inv-danger); }
.stat-info .stat-icon { background: #eff6ff; color: var(--inv-info); }
.stat-purple .stat-icon { background: #f5f3ff; color: var(--inv-purple); }

.stat-content h3 {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--inv-text-muted);
  margin-bottom: 4px;
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--inv-text);
  margin-bottom: 8px;
}

.stat-change {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.8125rem;
  font-weight: 500;
}

.stat-change.positive { color: var(--inv-success); }
.stat-change.negative { color: var(--inv-danger); }
.stat-change.neutral { color: var(--inv-text-muted); }

/* Charts */
.charts-row {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 20px;
  margin-bottom: 24px;
}

@media (max-width: 1024px) {
  .charts-row {
    grid-template-columns: 1fr;
  }
}

.chart-card {
  background: var(--inv-card-bg);
  border-radius: var(--inv-radius);
  padding: 24px;
  box-shadow: var(--inv-shadow);
  border: 1px solid var(--inv-border);
}

.chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.chart-header h3 {
  font-size: 1rem;
  font-weight: 600;
}

.chart-filter {
  padding: 6px 12px;
  border: 1px solid var(--inv-border);
  border-radius: var(--inv-radius-sm);
  font-size: 0.8125rem;
  color: var(--inv-text);
  background: var(--inv-bg);
}

.chart-container {
  height: 280px;
  position: relative;
}

/* Content Row */
.content-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

@media (max-width: 1024px) {
  .content-row {
    grid-template-columns: 1fr;
  }
}

.content-card {
  background: var(--inv-card-bg);
  border-radius: var(--inv-radius);
  padding: 24px;
  box-shadow: var(--inv-shadow);
  border: 1px solid var(--inv-border);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.card-header h3 {
  font-size: 1rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.view-all {
  color: var(--inv-primary);
  font-size: 0.875rem;
  text-decoration: none;
  font-weight: 500;
}

.view-all:hover {
  text-decoration: underline;
}

/* Activity List */
.activity-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.activity-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px;
  background: var(--inv-bg);
  border-radius: var(--inv-radius-sm);
}

.activity-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
}

.activity-icon.incoming { background: #ecfdf5; color: var(--inv-success); }
.activity-icon.outgoing { background: #fef2f2; color: var(--inv-danger); }
.activity-icon.transfer { background: #eff6ff; color: var(--inv-info); }
.activity-icon.adjustment { background: #fffbeb; color: var(--inv-warning); }

.activity-details {
  flex: 1;
}

.activity-title {
  font-weight: 500;
  font-size: 0.875rem;
  margin-bottom: 2px;
}

.activity-meta {
  font-size: 0.8125rem;
  color: var(--inv-text-muted);
}

.activity-time {
  font-size: 0.75rem;
  color: var(--inv-text-muted);
}

/* Top Products */
.top-products-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.product-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px;
  background: var(--inv-bg);
  border-radius: var(--inv-radius-sm);
}

.product-rank {
  width: 28px;
  height: 28px;
  background: var(--inv-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
}

.product-image {
  width: 48px;
  height: 48px;
  background: white;
  border-radius: var(--inv-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--inv-text-muted);
  border: 1px solid var(--inv-border);
}

.product-info {
  flex: 1;
}

.product-name {
  font-weight: 500;
  font-size: 0.875rem;
}

.product-sku {
  font-size: 0.75rem;
  color: var(--inv-text-muted);
}

.product-stats {
  text-align: right;
}

.units-sold {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
}

.revenue {
  font-size: 0.75rem;
  color: var(--inv-success);
  font-weight: 600;
}

/* Filters Bar */
.filters-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.search-box {
  flex: 1;
  min-width: 200px;
  position: relative;
}

.search-box i {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--inv-text-muted);
}

.search-box input {
  width: 100%;
  padding: 10px 10px 10px 40px;
  border: 1px solid var(--inv-border);
  border-radius: var(--inv-radius-sm);
  font-size: 0.875rem;
  transition: var(--inv-transition);
}

.search-box input:focus {
  outline: none;
  border-color: var(--inv-primary);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.filter-select {
  padding: 10px 12px;
  border: 1px solid var(--inv-border);
  border-radius: var(--inv-radius-sm);
  font-size: 0.875rem;
  color: var(--inv-text);
  background: white;
  min-width: 150px;
}

/* Data Table */
.table-container {
  background: var(--inv-card-bg);
  border-radius: var(--inv-radius);
  box-shadow: var(--inv-shadow);
  border: 1px solid var(--inv-border);
  overflow: hidden;
  margin-bottom: 20px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th {
  background: var(--inv-bg);
  padding: 14px 16px;
  text-align: left;
  font-weight: 600;
  font-size: 0.8125rem;
  color: var(--inv-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--inv-border);
}

.data-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--inv-border);
  font-size: 0.875rem;
}

.data-table tbody tr:hover {
  background: #faf5ff;
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

.product-cell {
  display: flex;
  align-items: center;
  gap: 12px;
}

.product-thumb {
  width: 40px;
  height: 40px;
  background: var(--inv-bg);
  border-radius: var(--inv-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--inv-text-muted);
}

.supplier-cell {
  display: flex;
  align-items: center;
  gap: 12px;
}

.supplier-logo {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--inv-primary) 0%, var(--inv-secondary) 100%);
  border-radius: var(--inv-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 0.875rem;
}

/* Status Badges */
.status-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.status-in-stock, .status-active, .status-approved, .status-completed {
  background: #ecfdf5;
  color: var(--inv-success);
}

.status-low-stock, .status-pending, .status-transit {
  background: #fffbeb;
  color: var(--inv-warning);
}

.status-out-of-stock, .status-inactive {
  background: #fef2f2;
  color: var(--inv-danger);
}

.status-received {
  background: #eff6ff;
  color: var(--inv-info);
}

/* Rating */
.rating {
  display: flex;
  align-items: center;
  gap: 2px;
  color: var(--inv-warning);
}

.rating span {
  margin-left: 8px;
  color: var(--inv-text);
  font-weight: 500;
}

/* Action Buttons */
.action-buttons {
  display: flex;
  gap: 8px;
}

/* Pagination */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px;
  background: var(--inv-card-bg);
  border-radius: var(--inv-radius);
  box-shadow: var(--inv-shadow);
  border: 1px solid var(--inv-border);
}

.pagination-info {
  font-size: 0.875rem;
  color: var(--inv-text-muted);
}

.pagination-controls {
  display: flex;
  align-items: center;
  gap: 4px;
}

.pagination-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--inv-border);
  background: white;
  border-radius: var(--inv-radius-sm);
  cursor: pointer;
  font-size: 0.875rem;
  color: var(--inv-text);
  transition: var(--inv-transition);
}

.pagination-btn:hover:not(:disabled) {
  background: var(--inv-primary);
  color: white;
  border-color: var(--inv-primary);
}

.pagination-btn.active {
  background: var(--inv-primary);
  color: white;
  border-color: var(--inv-primary);
}

.pagination-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.pagination-ellipsis {
  padding: 0 8px;
  color: var(--inv-text-muted);
}

/* Stock Overview */
.stock-overview {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.overview-card {
  background: var(--inv-card-bg);
  padding: 20px;
  border-radius: var(--inv-radius);
  box-shadow: var(--inv-shadow);
  border: 1px solid var(--inv-border);
  border-left: 4px solid var(--inv-primary);
}

.overview-card.warning { border-left-color: var(--inv-warning); }
.overview-card.danger { border-left-color: var(--inv-danger); }
.overview-card.info { border-left-color: var(--inv-info); }

.overview-card h4 {
  font-size: 0.875rem;
  color: var(--inv-text-muted);
  margin-bottom: 8px;
}

.overview-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--inv-text);
}

/* Warehouse Cards */
.warehouse-stock-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

.warehouse-card {
  background: var(--inv-card-bg);
  padding: 24px;
  border-radius: var(--inv-radius);
  box-shadow: var(--inv-shadow);
  border: 1px solid var(--inv-border);
}

.warehouse-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.warehouse-header h3 {
  font-size: 1rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.warehouse-capacity {
  font-size: 0.875rem;
  color: var(--inv-primary);
  font-weight: 500;
}

.warehouse-capacity.warning { color: var(--inv-warning); }

.capacity-bar {
  height: 8px;
  background: var(--inv-bg);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 16px;
}

.capacity-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--inv-primary) 0%, var(--inv-secondary) 100%);
  border-radius: 4px;
  transition: width 0.5s ease;
}

.capacity-fill.warning {
  background: linear-gradient(90deg, var(--inv-warning) 0%, var(--inv-danger) 100%);
}

.warehouse-stats {
  display: flex;
  justify-content: space-between;
}

.warehouse-stats .stat {
  text-align: center;
}

.warehouse-stats .stat-label {
  display: block;
  font-size: 0.75rem;
  color: var(--inv-text-muted);
  margin-bottom: 4px;
}

.warehouse-stats .stat-value {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--inv-text);
}

/* Categories Grid */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.category-card {
  background: var(--inv-card-bg);
  padding: 24px;
  border-radius: var(--inv-radius);
  box-shadow: var(--inv-shadow);
  border: 1px solid var(--inv-border);
  text-align: center;
  transition: var(--inv-transition);
}

.category-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--inv-shadow-lg);
}

.category-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  border-radius: var(--inv-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
}

.category-card h3 {
  font-size: 1.125rem;
  margin-bottom: 4px;
}

.category-card p {
  color: var(--inv-text-muted);
  font-size: 0.875rem;
  margin-bottom: 16px;
}

.category-stats {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 16px;
  font-size: 0.8125rem;
  color: var(--inv-text-muted);
}

.category-stats i {
  margin-right: 4px;
}

.category-actions {
  display: flex;
  justify-content: center;
  gap: 8px;
}

/* PO Status Cards */
.po-status-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.po-status-card {
  background: var(--inv-card-bg);
  padding: 20px;
  border-radius: var(--inv-radius);
  box-shadow: var(--inv-shadow);
  border: 1px solid var(--inv-border);
  display: flex;
  align-items: center;
  gap: 16px;
}

.po-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--inv-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.po-icon.draft { background: #f1f5f9; color: #64748b; }
.po-icon.pending { background: #fffbeb; color: var(--inv-warning); }
.po-icon.approved { background: #ecfdf5; color: var(--inv-success); }
.po-icon.received { background: #eff6ff; color: var(--inv-info); }

.po-info h4 {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--inv-text-muted);
}

.po-info p {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--inv-text);
}

/* Transfers Summary */
.transfers-summary {
  display: flex;
  gap: 24px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.transfer-stat {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--inv-card-bg);
  padding: 16px 24px;
  border-radius: var(--inv-radius);
  box-shadow: var(--inv-shadow);
  border: 1px solid var(--inv-border);
}

.transfer-stat i {
  font-size: 1.5rem;
}

.transfer-stat h4 {
  font-size: 0.875rem;
  color: var(--inv-text-muted);
}

.transfer-stat p {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--inv-text);
}

/* Warehouses Grid */
.warehouses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 24px;
}

.warehouse-detail-card {
  background: var(--inv-card-bg);
  border-radius: var(--inv-radius);
  box-shadow: var(--inv-shadow);
  border: 1px solid var(--inv-border);
  overflow: hidden;
}

.warehouse-map {
  height: 150px;
  background: linear-gradient(135deg, var(--inv-primary) 0%, var(--inv-secondary) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  color: rgba(255,255,255,0.3);
}

.warehouse-detail-card .warehouse-info {
  padding: 24px;
}

.warehouse-detail-card h3 {
  font-size: 1.125rem;
  margin-bottom: 8px;
}

.warehouse-address {
  color: var(--inv-text-muted);
  font-size: 0.875rem;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.warehouse-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}

.metric {
  text-align: center;
}

.metric-label {
  display: block;
  font-size: 0.75rem;
  color: var(--inv-text-muted);
  margin-bottom: 4px;
}

.metric-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--inv-text);
}

.warehouse-actions {
  display: flex;
  gap: 12px;
}

/* Alerts List */
.alerts-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.alert-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--inv-card-bg);
  border-radius: var(--inv-radius);
  box-shadow: var(--inv-shadow);
  border: 1px solid var(--inv-border);
}

.alert-item.critical {
  border-left: 4px solid var(--inv-danger);
}

.alert-item.warning {
  border-left: 4px solid var(--inv-warning);
}

.alert-item.info {
  border-left: 4px solid var(--inv-info);
}

.alert-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.alert-item.critical .alert-icon { background: #fef2f2; color: var(--inv-danger); }
.alert-item.warning .alert-icon { background: #fffbeb; color: var(--inv-warning); }
.alert-item.info .alert-icon { background: #eff6ff; color: var(--inv-info); }

.alert-content {
  flex: 1;
}

.alert-content h4 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.alert-content p {
  color: var(--inv-text-muted);
  font-size: 0.875rem;
  margin-bottom: 8px;
}

.alert-time {
  font-size: 0.75rem;
  color: var(--inv-text-muted);
}

.alert-actions {
  display: flex;
  gap: 8px;
}

/* Reports Grid */
.reports-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.report-card {
  background: var(--inv-card-bg);
  padding: 24px;
  border-radius: var(--inv-radius);
  box-shadow: var(--inv-shadow);
  border: 1px solid var(--inv-border);
  transition: var(--inv-transition);
}

.report-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--inv-shadow-lg);
}

.report-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--inv-primary) 0%, var(--inv-secondary) 100%);
  border-radius: var(--inv-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
  margin-bottom: 16px;
}

.report-card h3 {
  font-size: 1.125rem;
  margin-bottom: 8px;
}

.report-card p {
  color: var(--inv-text-muted);
  font-size: 0.875rem;
  margin-bottom: 16px;
  line-height: 1.5;
}

.report-actions {
  display: flex;
  gap: 12px;
}

/* Settings */
.settings-container {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 24px;
  background: var(--inv-card-bg);
  border-radius: var(--inv-radius);
  box-shadow: var(--inv-shadow);
  border: 1px solid var(--inv-border);
  overflow: hidden;
}

.settings-sidebar {
  background: var(--inv-bg);
  border-right: 1px solid var(--inv-border);
  padding: 16px 0;
}

.settings-nav {
  list-style: none;
}

.settings-nav li a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  color: var(--inv-text-muted);
  text-decoration: none;
  font-weight: 500;
  transition: var(--inv-transition);
}

.settings-nav li a:hover {
  color: var(--inv-primary);
  background: white;
}

.settings-nav li.active a {
  color: var(--inv-primary);
  background: white;
  border-right: 3px solid var(--inv-primary);
}

.settings-content {
  padding: 24px;
}

.settings-section h3 {
  font-size: 1.25rem;
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--inv-border);
}

.setting-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  border-bottom: 1px solid var(--inv-border);
}

.setting-info label {
  font-weight: 500;
  display: block;
  margin-bottom: 4px;
}

.setting-info p {
  font-size: 0.875rem;
  color: var(--inv-text-muted);
}

.setting-input {
  padding: 8px 12px;
  border: 1px solid var(--inv-border);
  border-radius: var(--inv-radius-sm);
  font-size: 0.875rem;
  min-width: 200px;
}

/* Toggle Switch */
.toggle {
  position: relative;
  display: inline-block;
  width: 48px;
  height: 24px;
}

.toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ccc;
  transition: 0.3s;
  border-radius: 24px;
}

.toggle-slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: 0.3s;
  border-radius: 50%;
}

.toggle input:checked + .toggle-slider {
  background-color: var(--inv-primary);
}

.toggle input:checked + .toggle-slider:before {
  transform: translateX(24px);
}

.settings-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--inv-border);
}

/* Modal */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
}

.modal-overlay.show {
  display: flex;
}

.modal {
  background: var(--inv-card-bg);
  border-radius: var(--inv-radius-lg);
  width: 90%;
  max-width: 560px;
  max-height: 90vh;
  overflow: hidden;
  box-shadow: var(--inv-shadow-lg);
  animation: modalSlide 0.3s ease;
}

@keyframes modalSlide {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--inv-border);
}

.modal-header h2 {
  font-size: 1.25rem;
}

.modal-close {
  width: 32px;
  height: 32px;
  border: none;
  background: var(--inv-bg);
  border-radius: 50%;
  font-size: 1.25rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--inv-text-muted);
  transition: var(--inv-transition);
}

.modal-close:hover {
  background: var(--inv-danger);
  color: white;
}

.modal-body {
  padding: 24px;
  overflow-y: auto;
  max-height: 60vh;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  padding: 16px 24px;
  border-top: 1px solid var(--inv-border);
  background: var(--inv-bg);
}

/* Form Styles */
.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 16px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: 8px;
  font-size: 0.875rem;
}

.form-input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--inv-border);
  border-radius: var(--inv-radius-sm);
  font-size: 0.875rem;
  transition: var(--inv-transition);
}

.form-input:focus {
  outline: none;
  border-color: var(--inv-primary);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.toast {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  background: var(--inv-card-bg);
  border-radius: var(--inv-radius);
  box-shadow: var(--inv-shadow-lg);
  border-left: 4px solid var(--inv-success);
  animation: slideInRight 0.3s ease;
  min-width: 300px;
}

.toast.error { border-left-color: var(--inv-danger); }
.toast.warning { border-left-color: var(--inv-warning); }
.toast.info { border-left-color: var(--inv-info); }

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(100%); }
  to { opacity: 1; transform: translateX(0); }
}

.text-primary { color: var(--inv-primary); }
.text-success { color: var(--inv-success); }
.text-warning { color: var(--inv-warning); }
.text-danger { color: var(--inv-danger); }

.link {
  color: var(--inv-primary);
  text-decoration: none;
  font-weight: 500;
}

.link:hover {
  text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 1200px) {
  .warehouse-metrics {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 1024px) {
  .sidebar {
    width: 68px; min-width: 68px; overflow: hidden;
  }
  .sidebar .nav-text, .sidebar .sidebar-label { display: none; }
  .sidebar .nav-link { justify-content: center; padding: 12px 0; }
  .sidebar .nav-link i { margin-right: 0; }
  .main-content { margin-left: 68px; }
}

@media (max-width: 900px) {
  .sidebar {
    position: fixed; left: -280px; top: 0;
    width: 260px; min-width: 260px; height: 100vh;
    z-index: 9999; transition: left 0.3s ease;
    box-shadow: 4px 0 24px rgba(0,0,0,0.3); overflow-y: auto;
  }
  .sidebar.mobile-open, .sidebar.open { left: 0; }
  .sidebar.mobile-open .nav-text, .sidebar.open .nav-text,
  .sidebar.mobile-open .sidebar-label, .sidebar.open .sidebar-label { display: initial; }
  .sidebar.mobile-open .nav-link, .sidebar.open .nav-link {
    justify-content: flex-start; padding: 12px 20px;
  }
  .sidebar.mobile-open .nav-link i, .sidebar.open .nav-link i { margin-right: 12px; }
  .main-content { margin-left: 0; padding: 16px; width: 100%; }
  .section-header, .header-area { flex-direction: column; align-items: flex-start; gap: 12px; }
}

@media (max-width: 768px) {
  .header-actions { width: 100%; flex-wrap: wrap; }
  .stats-grid { grid-template-columns: 1fr; }
  .charts-row, .content-row { grid-template-columns: 1fr; }
  .filters-bar { flex-direction: column; }
  .filter-select { width: 100%; }
  .table-container { overflow-x: auto; }
  .data-table { min-width: 800px; }
  .settings-container { grid-template-columns: 1fr; }
  .settings-sidebar { border-right: none; border-bottom: 1px solid var(--inv-border); }
  .warehouses-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}

/* ═══ MOBILE OVERRIDES — Inventory-specific ═══ */
@media (max-width: 600px) {
  .warehouse-metrics {
    grid-template-columns: 1fr !important;
  }
  .main-content { padding: 12px; }
}

@media (max-width: 480px) {
  .stats-grid { gap: 8px; }
}